/* SPDX-License-Identifier: GPL-2.0 * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _NET_DSA_8021Q_H #define _NET_DSA_8021Q_H #include <linux/refcount.h> #include <linux/types.h> #include <net/dsa.h> struct dsa_switch; struct dsa_port; struct sk_buff; struct net_device; struct dsa_tag_8021q_vlan { struct list_head list; int port; u16 vid; refcount_t refcount; }; struct dsa_8021q_context { struct dsa_switch *ds; struct list_head vlans; /* EtherType of RX VID, used for filtering on master interface */ __be16 proto; }; int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto); void dsa_tag_8021q_unregister(struct dsa_switch *ds); int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port, struct dsa_bridge bridge); void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port, struct dsa_bridge bridge); struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, u16 tpid, u16 tci); void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id, int *vbid); struct net_device *dsa_tag_8021q_find_port_by_vbid(struct net_device *master, int vbid); u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num); u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp); int dsa_8021q_rx_switch_id(u16 vid); int dsa_8021q_rx_source_port(u16 vid); bool vid_is_dsa_8021q(u16 vid); #endif /* _NET_DSA_8021Q_H */